Denis Petukhov，Denis Alexandrovich Petukhov (Russian: Денис Александрович Петухов; born October 6, 1978) is a retired Russian-American ice dancer. With partner and wife Melissa Gregory, he is the 2005 Four Continents silver medalist, a 2006 United States Olympic team member, and a four-time (2004–07) U.S. national silver medalist.